查看控制文件的存储路径
官方文档：V$CONTROLFILE (oracle.com)
SQL> select name from v$controlfile;
NAME
-----------------------------------------------------
+DATA/B19C0/CONTROLFILE/current.261.1113227175
备份控制文件-热备
##备份文件名称以自己好辨认为主
SQL> alter database backup controlfile to '/home/oracle/b19c0_controlfile_current_20220910.ctl';
Database altered.
SQL>
备份控制文件-文本文件（可查看）
##可以使用 more/cat等命令查看控制文件内容
SQL> alter database backup controlfile to trace as '/home/oracle/controlfile_20220910.ctl';
Database altered.
查看日志文件存储路径
官方文档：V$LOGFILE (oracle.com)
SQL> select member from v$logfile;
MEMBER
--------------------------------------------------------------------------------
+DATA/B19C0/ONLINELOG/group_2.262.1113227179
+DATA/B19C0/ONLINELOG/group_1.263.1113227179
+DATA/B19C0/ONLINELOG/group_3.270.1113228729
+DATA/B19C0/ONLINELOG/group_4.271.1113228735
SQL> show parameter dump
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
background_core_dump string partial
background_dump_dest string /u01/app/oracle/product/19.3.0/db/rdbms/log
core_dump_dest string /u01/app/oracle/diag/rdbms/b19c0/b19c01/cdump
max_dump_file_size string unlimited
shadow_core_dump string partial
user_dump_dest string /u01/app/oracle/product/19.3.0/db/rdbms/log
查看数据(表空间)文件的存储路径
官方文档：V$DATAFILE (oracle.com)
SQL> select name from v$datafile;
NAME
------------------------------------------------------------------------------------
+DATA/B19C0/E6E0D4F9C4A768BBE0533D00A8C0D97D/DATAFILE/system.314.1113477263
+DATA/B19C0/E6E0D4F9C4A768BBE0533D00A8C0D97D/DATAFILE/sysaux.292.1113477263
+DATA/B19C0/E6E0D4F9C4A768BBE0533D00A8C0D97D/DATAFILE/undotbs1.293.1113477263
+DATA/B19C0/E6E0D4F9C4A768BBE0533D00A8C0D97D/DATAFILE/default_tbs.285.1113479873
+DATA/B19C0/E6E0D4F9C4A768BBE0533D00A8C0D97D/DATAFILE/undo_2.282.1113481017
+DATA/B19C0/E6E0D4F9C4A768BBE0533D00A8C0D97D/DATAFILE/default_tbs.334.1114446509
+DATA/B19C0/E6E0D4F9C4A768BBE0533D00A8C0D97D/DATAFILE/test_tb.332.1114518211
7 rows selected.
SQL> select file_name from dba_data_files;
FILE_NAME
----------------------------------------------------------------------------------
+DATA/B19C0/E6E0D4F9C4A768BBE0533D00A8C0D97D/DATAFILE/system.314.1113477263
+DATA/B19C0/E6E0D4F9C4A768BBE0533D00A8C0D97D/DATAFILE/sysaux.292.1113477263
+DATA/B19C0/E6E0D4F9C4A768BBE0533D00A8C0D97D/DATAFILE/undotbs1.293.1113477263
+DATA/B19C0/E6E0D4F9C4A768BBE0533D00A8C0D97D/DATAFILE/default_tbs.285.1113479873
+DATA/B19C0/E6E0D4F9C4A768BBE0533D00A8C0D97D/DATAFILE/default_tbs.334.1114446509
+DATA/B19C0/E6E0D4F9C4A768BBE0533D00A8C0D97D/DATAFILE/undo_2.282.1113481017
+DATA/B19C0/E6E0D4F9C4A768BBE0533D00A8C0D97D/DATAFILE/test_tb.332.1114518211
7 rows selected.
